[MacPorts] #60340: gfortran library not found in building demeter

MacPorts noreply at macports.org
Fri Apr 10 14:34:35 UTC 2020

#60340: gfortran library not found in building demeter
 Reporter:  paulfons          |      Owner:  (none)
     Type:  defect            |     Status:  new
 Priority:  Normal            |  Milestone:  MacPorts 2.7.0
Component:  ports             |    Version:  2.6.2
 Keywords:  demeter gfortran  |       Port:  demeter
 The demeter build fails due to the gfortran library not being found.  The
 relevant part of the log file is shown below. I am using Xcode 11.4.  I
 can see that the gcc9 has been properly installed and the relevant
 libraries are located in "/opt/local/lib/gcc9/libgfortran.a", but it
 appears that clang doesn't look for the gfortran library in the right
 location. This would appear to be a bug.  I am not sure how to modify the
 installation procedure to explicitly add an "-L/opt/local/lib/gcc9" to the
 build file for macports.  Any help would be appreciated as I need the
 underlying package.

 Xcode 11.4

 Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr
 Apple clang version 11.0.3 (clang-1103.0.32.29)
 Target: x86_64-apple-darwin19.4.0
 Thread model: posix

 :info:build           "%s",
 :info:build 31 warnings generated.
 :info:build env LD_RUN_PATH=/opt/local/lib/perl5/5.28/darwin-thread-multi-
 2level/CORE /usr/bin/clang -mmacosx-version-min=10.15 -bundle -undefined
 dynamic_lookup -L/opt/local/lib -Wl,-headerpad_max_install_names
 -fstack-protector-strong -o src/Ifeffit.dylib src/ifeffit_wrap.o
 -L/opt/local/lib -lifeffit -L/opt/local/lib -lpgplot -lpng -lX11
 -L/opt/local/lib -L/opt/local/lib/gcc9/gcc/x86_64-apple-darwin19/9.2.0
 -L/opt/local/lib/gcc9/gcc/x86_64-apple-darwin19/9.2.0/../../.. -lgfortran
 -lSystem -lgcc_ext.10.5 -lquadmath -lm
 :info:build ld: warning: directory not found for option
 :info:build ld: warning: directory not found for option
 :info:build ld: library not found for -lgfortran
 :info:build clang: error: linker command failed with exit code 1 (use -v
 to see invocation)
 :info:build error building src/Ifeffit.dylib from src/ifeffit_wrap.o at
 /opt/local/lib/perl5/5.28/ExtUtils/CBuilder/Base.pm line 332, <C> line 11.
 :info:build Command failed:  cd
 && ./Build install
 :info:build Exit code: 1
 :error:build Failed to build demeter: command execution failed
 :debug:build Error code: CHILDSTATUS 79316 1
 :debug:build Backtrace: command execution failed
 :debug:build     while executing
 :debug:build "system {*}$notty {*}$nice $fullcmdstring"
 :debug:build     invoked from within
 :debug:build "command_exec build"
 :debug:build     (procedure "portbuild::build_main" line 8)
 :debug:build     invoked from within
 :debug:build "$procedure $targetname"
 :error:build See
 for details.

Ticket URL: <https://trac.macports.org/ticket/60340>
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